Narrow Your Results By

Industrial Nuts in Bulk

  • Nuts
Click image to enlarge
A nut is a type of fastener featuring a threaded hole, typically used in conjunction with a bolt to securely join parts together. The nut and bolt are held in place through the friction of their threads, the slight stretch of the bolt, and the compression of the parts being fastened.
 

Key Features:
  • Threaded Hole: Allows the nut to mate with a bolt, creating a strong and reliable fastening.
  • Secure Connection: The combination of thread friction, bolt stretch, and part compression ensures a stable and durable joint.
Locking Mechanisms:
  • Adhesives: Applied to the threads to prevent loosening due to vibration or rotation.
  • Lockwire: Secures the nut in place by physically preventing it from turning.
  • Washers: Used to distribute load and provide additional resistance to loosening.
Applications:
  • Machine Assembly: Widely used in the assembly of machinery, providing reliable fastening for moving and stationary parts.
  • Industrial: Essential for constructing and maintaining industrial equipment and structures, ensuring safety and durability.
  • Construction: Used in building frameworks, bridges, and other structures where secure connections are critical.
  • Military: Employed in military equipment and vehicles, where reliability and performance under extreme conditions are paramount.

Nuts are indispensable components in various assembly processes across multiple industries, including industrial, construction, and military applications. Their ability to create secure, durable connections makes them a fundamental element in any fastening system.
 
Diverse Material Options: Our nuts are available in a variety of materials to suit different applications and environments. These include:

  • 18-8 Stainless Steel: Offers excellent corrosion resistance and durability, ideal for harsh environments.
  • Grade 5 Steel: Provides high strength and toughness, suitable for heavy-duty applications.
  • Low Carbon Steel: A cost-effective option for general-purpose use, offering good strength and workability.
  • Zinc Coated Finishes: Enhances corrosion resistance, extending the lifespan of the fasteners in various conditions.
At Springs Fastener, we supply a variety of hardware nuts to meet your needs. They include:
  • Cage Nuts
  • Cap Nuts
  • Castle Nuts
  • Clinching Nuts
  • Conduit Lock Nuts
  • Metric Nuts
  • Coupling Nuts
  • ...and more
 

Cage Nuts

Cage nuts are versatile fasteners designed with wings that assist with bolt insertion, making them ideal for mounting server racks and other equipment. These nuts are particularly useful in situations where precise alignment and secure fastening are crucial.

Key Features:

  • Wing Design: The wings on cage nuts make it easier to insert bolts, ensuring a secure and stable fit. This design facilitates quick and efficient installation, especially in tight or hard-to-reach spaces.

  • Versatile Applications: Commonly used in the installation of server racks, telecommunications equipment, and other hardware that requires robust and reliable fastening.

Available Sizes:

  • Imperial Sizes: Range from 6-32 to 1/2-13, providing a variety of options to suit different requirements.

  • Metric Sizes: Include M5 and M6, catering to applications that adhere to metric standards.

Applications:

  • Server Racks: Essential for mounting servers and related hardware securely within racks, ensuring stability and ease of maintenance.

  • Telecommunications Equipment: Used to install various telecommunications devices, providing a reliable fastening solution.

  • Industrial and Commercial Equipment: Suitable for mounting a wide range of equipment where secure fastening and easy installation are needed.

Benefits:

  • Ease of Installation: Wings facilitate quick and precise bolt insertion, saving time and effort during assembly.

  • Secure Fit: Provides a stable and secure hold, ensuring equipment remains firmly in place.

  • Flexibility: Available in multiple sizes to accommodate different hardware and equipment specifications.

 

Cap Nuts

Cap nuts are specialized fasteners designed with a domed cap to cover exposed threaded studs, rods, and bolt ends. This design not only provides a finished look but also protects the exposed threads from damage and contamination. Cap nuts are available in both closed-end and open-end options, including washer-based nuts, to suit various application needs.

Key Features:

  • Domed Cap: Covers exposed threads, offering protection against damage, dirt, and moisture, and providing a polished, finished appearance.

  • Closed-End and Open-End Options:

    • Closed-End Cap Nuts: Fully enclose the threaded end, providing maximum protection and a smooth finish.

    • Open-End Cap Nuts: Allow for longer threads to protrude through the nut, useful in applications where length adjustment is necessary.

  • Washer-Based Nuts: Integrated washer design helps distribute the load and provides additional protection to the fastening surface.

Available Sizes:

  • Imperial Sizes: Range from 1-8 to 7/8-9, offering a variety of options to accommodate different thread sizes and applications.

Applications:

  • Protective Covering: Ideal for covering exposed threaded ends in automotive, construction, and industrial applications, preventing damage and corrosion.

  • Aesthetic Finishing: Provides a clean, professional look for visible fasteners in furniture, machinery, and equipment.

  • Safety: Eliminates sharp edges of exposed threads, reducing the risk of injury and snagging in both residential and commercial settings.

Benefits:

  • Protection: Shields exposed threads from environmental damage, extending the life of the fastener.

  • Versatility: Available in multiple sizes and styles to meet various application requirements.

  • Ease of Use: Simple to install, providing both functional and aesthetic benefits with minimal effort.

Castle Nuts

Castle nuts, also known as slotted nuts, are specialized fasteners featuring notches cut into one end. These notches allow the nut to be secured with a cotter pin, providing additional security and preventing the nut from loosening under vibration or rotational forces.

Key Features:

  • Slotted Design: The notches on one end of the nut accommodate a cotter pin, ensuring the nut remains securely in place.

  • High Security: Ideal for applications where vibration or movement could cause standard nuts to loosen, providing a reliable locking mechanism.

Available Sizes:

  • Imperial Sizes: Range from 1-8 to 1 1/4-7, offering a variety of options to fit different bolt diameters and application requirements.

Applications:

  • Automotive: Commonly used in vehicle assemblies, particularly in securing wheel bearings and other critical components where safety is paramount.

  • Machinery: Essential for machinery and equipment subject to vibration and rotational forces, ensuring components remain securely fastened.

  • Aerospace and Marine: Used in applications where secure fastening is critical due to exposure to dynamic forces and harsh environments.

Benefits:

  • Enhanced Security: The use of a cotter pin with the slotted design provides a fail-safe against loosening, ensuring the nut remains in place under adverse conditions.

  • Durability: Made from high-quality materials to withstand demanding environments and provide long-lasting performance.

  • Versatility: Suitable for a wide range of applications, from automotive and machinery to aerospace and marine industries.
     

Conduit Lock Nuts (Die Cast Zinc)

Conduit lock nuts are essential fasteners designed to secure fittings and prevent them from loosening due to motion and vibration. Made from die-cast zinc, these lock nuts offer excellent strength and anti-sparking properties, making them ideal for use in electronic assemblies and other applications where safety and reliability are paramount.

Key Features:

  • Vibration Resistance: Designed to prevent fittings from loosening under motion and vibration, ensuring secure and stable connections.

  • Material: Made from die-cast zinc, providing durability, strength, and resistance to corrosion. The anti-sparking properties of zinc make these lock nuts suitable for use in environments where safety is a concern.

Available Sizes:

  • Imperial Sizes: Range from 1/2 to 1 1/2 inches, offering a variety of options to fit different conduit and fitting sizes.

Applications:

  • Electronic Assemblies: Widely used in securing electrical conduit fittings in electronic assemblies, ensuring reliable and safe connections.

  • Construction and Industrial: Suitable for use in construction and industrial applications where secure conduit connections are critical.

  • Safety-Critical Environments: Ideal for environments where anti-sparking properties are essential, such as in fuel storage or processing facilities.

Benefits:

  • Secure Connections: Ensures that conduit fittings remain securely in place, reducing the risk of electrical failures or hazards.

  • Durability: Zinc construction provides long-lasting performance and resistance to environmental factors.

  • Safety: Anti-sparking properties enhance safety in hazardous environments, protecting against potential ignition sources.

 

Coupling Nuts

Coupling nuts are internally threaded fasteners designed to join rods, pipes, and other threaded parts. These versatile fasteners are essential for extending lengths and creating secure connections between threaded components.

Key Features:

  • Internal Threading: Allows for secure joining of threaded rods, pipes, and other parts, providing a strong and reliable connection.

  • Versatile Application: Suitable for use in various industries, including construction, plumbing, and mechanical assemblies.

Available Types and Sizes:

  • Standard Couplings: Designed for general use, these coupling nuts are available in a range of sizes to meet different application requirements.

  • Reducer Couplings: Used to join rods or pipes of different diameters, providing flexibility in assembly and design.

Size Range:

  • Imperial Sizes: Available in sizes from 1-8 to 7/8-9, offering a variety of options to accommodate different threaded parts.

Applications:

  • Construction: Ideal for connecting threaded rods in structural applications, scaffolding, and framework assemblies.

  • Plumbing: Used to join pipes and fittings, ensuring leak-proof and secure connections.

  • Mechanical Assemblies: Suitable for extending the length of threaded components in machinery and equipment, providing flexibility and ease of maintenance.

Benefits:

  • Strong Connections: Ensures a secure and stable connection between threaded parts, enhancing the integrity of the assembly.

  • Flexibility: Allows for easy extension and adaptation of threaded components, providing versatility in design and installation.

  • Durability: Made from high-quality materials to withstand stress and environmental factors, ensuring long-lasting performance.

 

Flange Nuts

Flange nuts are specialized fasteners featuring a wide flange at one end, designed to distribute the pressure of the nut over the part being secured. This design helps to prevent damage to the material and provides a more secure hold. Flange nuts are available in both serrated and non-serrated options to suit various application needs.

Key Features:

  • Wide Flange: The integrated flange distributes pressure evenly over the material, reducing the risk of damage and providing a secure connection.

  • Serrated and Non-Serrated Options:

    • Serrated Flange Nuts: The serrations on the flange provide extra grip, reducing the likelihood of the nut loosening under vibration.

    • Non-Serrated Flange Nuts: Smooth flange surface for applications where a scratch-free finish is important.

Available Sizes:

  • Imperial Sizes: Range from 1-8 to 7/8-9, providing a variety of options for different bolt sizes.

  • Metric Sizes: Range from M3-0.5 to M20-2.50, ensuring compatibility with a wide range of metric bolts and threaded components.

Applications:

  • Automotive: Commonly used in vehicle assemblies to secure components while distributing load evenly to prevent material damage.

  • Construction: Ideal for structural applications where secure fastening and load distribution are crucial.

  • Machinery: Used in machinery and equipment to provide reliable fastening and reduce the risk of loosening under operational stress.

Benefits:

  • Enhanced Grip: Serrated flange nuts provide additional resistance to loosening, ensuring long-term stability.

  • Load Distribution: The wide flange design helps to distribute pressure, reducing stress on the material and preventing damage.

  • Versatility: Available in a range of sizes and styles to meet the specific needs of various applications.

 

Flex Type Lock Nuts

Flex type lock nuts are one-piece, hex-shaped fasteners designed to provide a secure, torque-locking action. When a screw or bolt reaches the collar of the nut, it expands to create a locking mechanism that prevents loosening under vibration or stress. These nuts are available in various styles, including heavy hex and light hex, with options for full or thin height.

Key Features:

  • Hex Shape: The traditional hexagonal shape allows for easy installation and removal with standard wrenches and tools.

  • Torque Locking Action: Designed to expand and create a torque locking action when a screw or bolt reaches the collar, providing superior resistance to loosening.

  • One-Piece Construction: Ensures durability and consistent performance in high-stress applications.

Available Sizes:

  • Imperial Sizes: Range from 1-8 to 1 1/4-7, offering a variety of options to accommodate different bolt sizes and application requirements.

Style Options:

  • Heavy Hex: Provides a larger bearing surface and increased strength for heavy-duty applications.

  • Light Hex: Offers a lighter, more compact option while still providing reliable locking action.

  • Full Height: Standard height for general use, providing a robust and secure fit.

  • Thin Height: Lower profile option for applications with space constraints or where a less obtrusive nut is needed.

Applications:

  • Automotive: Ideal for securing components in vehicles, providing reliable fastening that withstands vibration and dynamic forces.

  • Industrial Machinery: Used in machinery and equipment to prevent loosening under operational stress, ensuring long-term stability.

  • Construction: Suitable for structural applications where secure and reliable fastening is essential.

Benefits:

  • Superior Locking Mechanism: Expands to create a torque locking action, reducing the risk of loosening due to vibration or stress.

  • Versatility: Available in a range of sizes and styles to meet the specific needs of various applications.

  • Durability: One-piece construction ensures long-lasting performance and reliability in demanding environments.

 

K-Lock Nuts

K-Lock nuts, also known as Keps nuts, are designed with an attached, free-spinning serrated washer that creates tension against a material when installed onto a bolt. This integrated washer provides additional locking force, ensuring a secure and reliable connection. K-Lock nuts are available in various styles, including conical and regular or small pattern styles, to suit a range of applications.

Key Features:

  • Integrated Serrated Washer: The free-spinning serrated washer creates tension against the material, enhancing the locking action and preventing the nut from loosening.

  • One-Piece Design: Combines a nut and washer into a single unit, simplifying installation and reducing the number of components needed.

Available Styles:

  • Conical Style: Features a conical washer that provides increased surface area and enhanced locking force.

  • Regular or Small Pattern Styles: Offers flexibility in size and application, with options to suit various requirements.

Available Sizes:

  • Imperial Sizes: Range from 4-40 to 1/2-13, providing a variety of options to accommodate different bolt sizes and application needs.

Applications:

  • Automotive: Ideal for securing components in vehicles, providing reliable fastening that withstands vibration and dynamic forces.

  • Electronics: Used in electronic assemblies to ensure secure connections and prevent loosening due to movement or vibration.

  • Construction: Suitable for structural applications where secure and reliable fastening is essential.

  • Industrial Machinery: Used in machinery and equipment to prevent loosening under operational stress, ensuring long-term stability.

Benefits:

  • Enhanced Locking Mechanism: The integrated serrated washer provides additional locking force, reducing the risk of loosening due to vibration or stress.

  • Ease of Use: The one-piece design simplifies installation and reduces the number of components needed, saving time and effort.

  • Versatility: Available in a range of sizes and styles to meet the specific needs of various applications.

 

Hex Nuts

Hex nuts are hexagonal fasteners featuring internal screw threads, designed for use with hex head cap screws or other bolts. These versatile nuts are essential for creating secure, reliable connections in a wide range of applications.

Key Features:

  • Hexagonal Shape: The six-sided design allows for easy installation and removal with standard wrenches and tools, providing a secure grip and efficient torque application.

  • Internal Screw Threads: Ensures a tight and secure fit with compatible bolts, creating a strong and durable connection.

Available Materials:

  • Steel: Offers high strength and durability, suitable for most general-purpose applications.

  • Stainless Steel: Provides excellent corrosion resistance, ideal for use in harsh environments or where rust prevention is critical.

  • Brass: Offers good corrosion resistance and is non-magnetic, suitable for use in electronic and marine applications.

  • Nylon: Lightweight and resistant to corrosion and chemicals, ideal for applications where non-metallic fasteners are required.

Available Sizes:

  • Imperial Sizes: Range from 1-8 to 3 1/2-4, offering a variety of options to accommodate different bolt sizes and application needs.

Applications:

  • Construction: Used in building frameworks, bridges, and other structures where secure connections are essential.

  • Automotive: Ideal for assembling and maintaining vehicles, providing reliable fastening for various components.

  • Industrial Machinery: Suitable for securing parts in machinery and equipment, ensuring stability and performance.

  • Electronics: Used in electronic assemblies to provide secure and durable connections.

Benefits:

  • Versatility: Suitable for a wide range of applications, from construction and automotive to electronics and industrial machinery.

  • Durability: Made from high-quality materials to ensure long-lasting performance and resistance to environmental factors.

  • Ease of Use: The hexagonal shape allows for easy installation and removal, providing a secure and efficient fastening solution.

 

Machine Screw Nuts

Machine screw nuts are precision-engineered fasteners designed for use with machine screws. Available in hex and square-shaped configurations, these nuts provide secure and reliable connections for various applications.

Key Features:

  • Hex and Square Shapes:

    • Hex Nuts: The six-sided design allows for easy installation and removal with standard wrenches and tools, providing a secure grip and efficient torque application.

    • Square Nuts: The four-sided shape offers a larger surface area for better grip and resistance to loosening, especially in confined spaces.

  • Internal Threads: Precisely machined to ensure a tight and secure fit with corresponding machine screws.

Available Sizes:

  • Imperial Sizes: Range from 0-80 to 3/8-24, offering a variety of options to accommodate different screw sizes and application needs.

Applications:

  • Electronics: Ideal for securing components in electronic devices, providing reliable and durable connections.

  • Machinery: Used in the assembly and maintenance of machinery, ensuring secure fastening of various parts.

  • Automotive: Suitable for use in vehicle assembly and repair, providing dependable connections in automotive components.

  • Construction: Used in various construction applications where precise and secure fastening is required.

Benefits:

  • Versatility: Suitable for a wide range of applications, from electronics and machinery to automotive and construction.

  • Durability: Made from high-quality materials to ensure long-lasting performance and resistance to environmental factors.

  • Ease of Use: Available in both hex and square shapes to meet different application requirements and provide flexibility in installation.

 

Metric Nuts

At Springs Fastener, we offer a comprehensive selection of metric nuts to meet the diverse needs of various applications. Our inventory includes several types of nuts in metric sizes, ensuring you find the perfect fastener for your specific requirements.

Types of Metric Nuts:

  • Self-Clinching Nuts: Designed to provide strong, permanent threads in thin materials, these nuts are ideal for applications where space and weight are concerns.

  • Cage Nuts: Feature wings that assist with bolt insertion, making them perfect for mounting server racks and other equipment.

  • Lock Nuts: Engineered to resist loosening under vibration and torque, ensuring a secure connection in dynamic environments.

  • Hex Nuts: Versatile, six-sided nuts with internal threads, suitable for a wide range of applications.

  • Tab Weld Nuts: Designed for welding to metal surfaces, providing a strong and permanent threaded attachment point.

Applications:

  • Automotive: Used in vehicle assembly and maintenance, providing reliable fastening solutions.

  • Industrial Machinery: Essential for securing components in machinery and equipment, ensuring stability and performance.

  • Construction: Suitable for building frameworks, bridges, and other structures where secure connections are essential.

  • Electronics: Ideal for securing components in electronic devices, providing reliable and durable connections

 

Mil-Spec Nuts

At Springs Fastener, we offer a variety of Mil-Spec nuts that meet the rigorous standards set by the U.S. Department of Defense. These nuts are designed to provide reliable and durable performance in critical applications, ensuring compliance with military specifications.

Options for Mil-Spec Nuts:

  • MS35649 Hex Nuts: Engineered for high-strength applications, these hex nuts meet stringent Mil-Spec requirements and are ideal for use in military and aerospace assemblies.

  • MS35650 Hex Nuts: Known for their durability and precision, these nuts are designed for secure fastening in demanding environments, providing reliable performance under stress.

  • MS51967B Hex Nuts: These nuts offer excellent resistance to corrosion and wear, making them suitable for use in harsh conditions and ensuring long-lasting performance.

  • MS51967C Hex Nuts: Similar to MS51967B, these nuts provide robust fastening solutions with enhanced resistance to environmental factors, ensuring secure connections in critical applications.

Applications:

  • Military Equipment: Essential for securing components in military vehicles, aircraft, and other defense-related equipment.

  • Aerospace: Used in the assembly and maintenance of aircraft, ensuring reliable performance under extreme conditions.

  • Industrial Machinery: Suitable for use in heavy-duty industrial applications where high strength and reliability are requ

Narrow Your Results By